@cd /d "D:\_vrDateBAT"


@if exist %cd%\vTime (
@ call:crTime
@exit /b
) ELSE (
@echo %date:~0,4%%date:~5,2%%date:~8,2% > %cd%\vTime
@exit /b
)

@:crTime
@set /p vD=< %cd%\vTime
@set dd=%date%
@echo %dd:~0,4%%dd:~5,2%%dd:~8,2% > %cd%\rTime
@ date %vD:~0,4%/%vD:~4,2%/%vD:~6,2%
@exit /b